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Furuno CHS-5LMARK-2-55, Operator'S Manual

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Furuno CHS-5LMARK-2-55 Operator'S Manual Download Page 75

8.  MAINTENANCE, TROUBLESHOOTING

8-5

8.6

Troubleshooting

The table below provides common symptoms of equipment troubles and the means to 
rectify them.

Symptom

Check, Remedy

Cannot turn on the 
power

•  Check power cable.
• Check ship's mains.
•  First check the fuse in the processor unit. If it is OK, have a qual-

ified technician check the fuse in the transceiver unit.

Bottom echo be-
comes irregular

•  Rough seas. Distance to the bottom changes due to rolling and 

pitching.

•  Long range selected. Transmission period is longer so ship's 

pitching and rolling are apt to affect detection of echo.

Weak echo

•  Output power set to minimum. Set [TX OUTPUT] ([SONAR] 

menu) to maximum.

•  Excessive TVG. Readjust TVG NEAR and FAR on the [SO-

NAR] menu.

Somewhat strange 
color

•  Brilliance too low. Adjust display brilliance.

Picture contains 
noise

•  Equipment not grounded properly. Check equipment ground.
•  Power cable is too close to the signal cable. Relocate power ca-

ble or signal cable.

•  Debris may be on sea surface. Reject unwanted noise with the 

interference rejector on the [SONAR] menu.

Picture does not 
change when tilt 
angle is changed

•  Problem in tilt mechanism or control line. Contact a FURUNO 

agent or dealer for advice.

Summary of Contents for CHS-5LMARK-2-55

Page 1: ...OPERATOR S MANUAL www furuno com Model SCANNING SONAR CSH 5LMARK 2 55 CSH 5LMARK 2 68 CSH 8LMARK 2 85 CSH 8LMARK 2 107 PRODUCT NAME FULL CIRCLE SCANNING SONAR ...

Page 2: ... elemental chlorine free FURUNO Authorized Distributor Dealer 9 52 Ashihara cho Nishinomiya 662 8580 JAPAN A JUN 2015 Printed in Japan All rights reserved A3 JUL 22 2016 Pub No OME 13500 A3 MISU CSH 5LM2 CSH 8LM2 0 0 0 1 9 0 9 0 4 1 0 ...

Page 3: ...ve holders How to discard this product Discard this product according to local regulations for the disposal of industrial waste For disposal in the USA see the homepage of the Electronics Industries Alliance http www eiae org for the correct method of disposal How to discard a used battery Some FURUNO products have a battery ies To see if your product has a battery ies see the chapter on Maintenan...

Page 4: ...er at the switchboard if the equipment is emitting smoke or fire Continued use of the equipment can cause fire or electrical shock Contact a FURUNO agent for service Make sure no rain or water splash leaks into the equipment Fire or electrical shock can result if water leaks in the equipment Use the proper fuse Fuse rating is shown on the equipment Use of a wrong fuse can damage the equipment Do n...

Page 5: ...lt if the ratchet wrench rotates unexpectedly because the raise lower motor may start up The zinc block attached near the transducer must be replaced yearly The junction between the transducer and main shaft may corrode which can result in loss of the transducer or water leakage iinside the ship WARNING LABEL A warning label is attached to all units of the system Do not remove any label If a label...

Page 6: ... 1 13 1 5 Finding Range and Bearing to a Target 1 14 1 6 Sonar Menu Overview 1 15 1 6 1 Operating procedure 1 15 1 6 2 Sonar menu description 1 16 2 FINE TUNING THE SONAR PICTURE 2 1 2 1 Eliminating Unwanted Echoes 2 1 2 2 Displaying Surface Fish Clearly 2 2 2 3 Suppressing Bottom Tail 2 2 2 3 1 AGC 2 2 2 3 2 Pulse length 2 3 2 3 3 2ND AGC 2 3 2 4 Suppressing Bottom and Sea Surface Reflections in ...

Page 7: ...ng Depth 4 3 4 5 Suppressing Interference 4 4 4 6 Suppressing Low Level Noise 4 4 4 7 Erasing Weak Echoes 4 5 4 8 Other Items on the Sounder Menu 4 5 5 MARKS AND DATA 5 1 5 1 Marks and Data on the Normal Display 5 1 5 2 Marks and Data on the Echosounder and Audio Displays 5 5 6 INTERPRETING THE DISPLAY 6 1 6 1 Bottom Echo 6 1 6 2 School of Fish 6 2 6 3 Sea Surface Reflections 6 3 6 4 Wake 6 3 6 5 ...

Page 8: ...TABLE OF CONTENTS vi APPENDIX 1 MENU TREE AP 1 SPECIFICATIONS SP 1 INDEX IN 1 ...

Page 9: ...Thank you for considering and purchasing FURUNO equipment Features The FURUNO CSH 5LMARK 2 and CSH 8LMARK 2 Color Scanning Sonars are full circle elec tronic scanning sonars that detect and instantaneously display schools of fish and underwater conditions in 16 colors Some of the prominent features of the CSH 5LMARK 2 and CSH 8LMARK 2 are as follows Vivid 16 color display assists in recognition of...

Page 10: ...ver Unit CSH 5130 A 5L Navaid Current Indicator AD Converter Speed Log E S Interface Remote Controller Speaker Motion Sensor MS 100 Hull Unit CSH 5040 A 600 mm stroke CSH 5041 A 400 mm stroke Pre amplifier Unit CSH 5020 A Standard Supply Option User Supply Ship s Mains 100 VAC 115 VAC 200 VAC 220 VAC 240 VAC 1φ 50 60Hz DC AC Inverter TR 2451 24 VDC ...

Page 11: ...L Control Unit CSH 5211 A Navaid Current Indicator AD Converter Speed Log E S Interface Remote Controller Speaker Hull Unit CSH 8040 A 600 mm stroke CSH 8041 A 400 mm stroke Junction Box CSH 1700 Motion Sensor MS 100 Ship s Mains 100 VAC 115 VAC 200 VAC 220 VAC 240 VAC 1Ф 50 60Hz DC AC Inverter TR 2451 24 VDC Standard Supply Option User Supply ...

Page 12: ...SYSTEM CONFIGURATION x This page is intentionally left blank ...

Page 13: ... Tracks trackball selected position R B Displays range and bearing marks FISH ALARM Turns fish alarm on off STABILIZER Compensates for affects of ship s pitching and rolling Requires Motion Sensor MS 100 OFF CENTER Shifts the display ALARM ZONE Sets fish alarm zone DELETE MARK Deletes selected mark MENU Opens closes menu Execute assigned program register function key program Chooses display range ...

Page 14: ...hair control of the tilt range and gain Remote controller Hole for hanging TILT Control Increases tilt angle Decreases tilt angle RANGE Control Increases range Decreases range Chooses menu item in menu operation GAIN Control Increases gain Decreases gain Chooses menu option in menu operation ...

Page 15: ...ning is turned on in the SYSTEM menu the message Max allowable speed for extended transducer is 16 kn Max allowable speed during raising lowering transducer is 16 kn and the audio alarm sounds Press the R B key to silence the audio alarm Note The audio alarm may be set to sound and a message displayed when the ship s speed goes higher than maximum allowable speed For further details see SPEED MESS...

Page 16: ...y to close the menu To turn off transmission choose OFF at step 5 TX OFF appears at the top right corner of the sonar display when the transmitter is turned off MENU MODE SONAR SOUNDER MARKS SYSTEM DISPLAY MODE COMBI 1 NORM COMBI 2 TX OUTPUT 8 PULSE LENGTH 8 TX CYCLE 10 TVG NEAR 6 TVG FAR 7 AGC 2 2ND AGC 1 NOISE LIMITER 3 COLOR CURVE 1 2 3 4 COLOR RESPONSE 1 2 3 4 DELETE COLOR 0 ECHO AVERAGE 1 INT...

Page 17: ...R MENU MODE SONAR SOUNDER MARKS SYSTEM DIMMER 10 DISP SELECT TEMP CURRENT HEADING ADJ 0 AUTO RETRACT OFF OFF 5 16kn OFF SPEED MESSAGE ON OFF EXT KP SYNC OFF ON AUTO TRAIN SPD LOW HIGH AUTO TILT SPD LOW HIGH UNIT METERS FEET FATHOMS PA BRA SHIP S SPD BR LOG GYRO CURRENT NAV DATA GYRO NAV LOG PULSE 200 400 PORT1 BAUDRATE 19200 9600 4800 2400 PORT1 FORMAT NMEA CIF PORT2 BAUDRATE 19200 9600 4800 2400 ...

Page 18: ...e text window with connection of ap propriate sensors COMBI 1 Sonar Audio Sonar picture appears on the left and the audio display at the lower right side of the screen This mode is useful analyzing echoes in a de sired area To activate the COMBI 1 mode do the following 1 Choose the COMBI 1 mode 2 Use the trackball to place the trackball mark on the bear ing desired 3 Press the R B key The range an...

Page 19: ... 2kn 342 C2 0 8kn 298 C3 0 4kn 256 WATER TEMP 12 4 C 20min 10 0 14 12 10 500 W R 1000 T 15 15 G 10 0 S E N N 733 708 189 B 60S Text Window For description see Chapter 5 500 W R 1000 T 15 15 G 10 0 S E N N 517 500 134 B 60S R 517 B 60S Range Bearing Marks WATER TEMP 12 4 C 20min 10 0 14 12 10 Range Scale SHIP SPEED 12 4 kn DEPTH 126m SHIP COURSE 246 LAT LON 32 52 150N 132 12 150E 0 500 1000 Text Wi...

Page 20: ... the so nar display The current range is always displayed at the top right corner of the sonar display The ranges in meters available are 50 85 100 150 200 250 300 350 400 450 500 600 800 1000 1200 and 1600 Detection Range Text Window For description see Chapter 5 500 W R 1000 T 30 30 G 10 0 S E N N 545 472 272 B 60S Bottom School of Fish Depth Scale WATER TEMP 12 4 C 20min 10 0 14 12 10 SHIP SPEE...

Page 21: ...nsducer is being retracted Trans mission is stopped automatically If you press the switch when the speed is over 16 knots and the speed warning is turned on in the SYSTEM menu the message Max allowable speed for extended transducer is 16 kn Max allowable speed during raising lowering transducer is 16 kn and the audio alarm sounds Press the R B key to silence the audio alarm 2 When the lamp above t...

Page 22: ... inoperative when the target lock feature is made active Dis able the target lock feature to resume automatic tilt 1 Press the MENU key to open the menu 2 Operate the RANGE control to choose MENU MODE at the top of the screen 3 Operate the GAIN control to choose SONAR 4 Operate the RANGE control to choose AUTO TILT 5 Operate the GAIN control to choose ON 6 Operate the RANGE control to choose TILT ...

Page 23: ... imperative that the bottom echo be always displayed to properly distinguish between fish and the bottom When selecting a tilt angle keep the following points in mind Case 1 Tilt angle 30 to 40 degrees This tilt angle uses the full beamwidth to receive echoes thus the entire bottom echo is displayed Fish echoes may be hidden in the bottom echo Case 2 Tilt angle 10 to 20 degrees This tilt angle rec...

Page 24: ...gle for surface fish Sound emitted from the sonar transducer forms a circle shaped beam with a width of approximately 15 6dB in the vertical direction The tilt angle is indicated by the an gle between the center line of the beam and the horizontal plane Then if the tilt angle is set to 0 degrees the center line is parallel with the sea surface and one half of the emitted sound goes upward toward t...

Page 25: ... surface When the sea is rough it is often set to a little larger angle 15 for CSH 5LMARK 2 13 for CSH 8LMARK 2 Tilt angle and surface fish example CSH 5LMARK 2 1 4 6 Suitable tilt angle The table below shows the estimated detection range for tilt angles of 0 5 10 and 15 degrees Refer to the table to find suitable tilt angle from depth and detection range Depth detection range and tilt angle Sea s...

Page 26: ...al range bearing and depth to the tar get appear at the upper left corner of the sonar display Location of trackball data Slant range from own ship to trackball mark Horizontal range from own ship to trackball mark Depth to trackball mark B Relative from own ship to trackball mark B TRACKBALL DATA Relative bearing format may be selected with OTHER MARKS on the MARKS menu Trackball mark Own ship ma...

Page 27: ...selected item is highlighted 5 Use the GAIN control to choose the option desired 6 To close the menu press the MENU key SONAR MENU RANGE CTRL U D GAIN CTRL L R MENU MODE SONAR SOUNDER MARKS SYSTEM DISPLAY MODE COMBI 1 NORM COMBI 2 TX OUTPUT 8 PULSE LENGTH 8 TX CYCLE 10 TVG NEAR 6 TVG FAR 7 AGC 2 2ND AGC 1 NOISE LIMITER 3 COLOR CURVE 1 2 3 4 COLOR RESPONSE 1 2 3 4 DELETE COLOR 0 ECHO AVERAGE 1 INT ...

Page 28: ...n setting 1 for example weak to strong signals are averaged and displayed to obtain a bal anced picture The larger the setting the better the res olution on weak signals COLOR RE SPONSE Adjusts color level against strong reflections The high er the setting the more the red color is displayed and weak level colors are displayed as is thereby giving the appearance that the gain has been raised DELET...

Page 29: ... training on or off 3 2 TRAIN SECTOR Chooses train sector in automatic training 3 2 AUTO TILT Turns automatic tilt on or off 1 10 TILT ANGLE Sets automatic tilt range 1 10 TRANSMISSION Turns transmission on or off 1 4 AUDIO VOLUME Sets audio volume of loudspeaker 3 2 ASSIGN SET TING Chooses function key to program 3 8 ASSIGN MENU Displays programs assigned to function keys 3 9 Item Description Ref...

Page 30: ...1 OPERATIONAL OVERVIEW 1 18 This page is intentionally left blank ...

Page 31: ...loss on short and long ranges re spectively centered at the ranges shown below How TVG works The TVG is also used to suppress unwanted echoes and noise which appear in a cer tain range area on the screen such as sea surface reflections and cruising noise To obtain the proper TVG setting follow the procedure below 1 Press the MENU key 2 Use the RANGE control to choose MENU MODE at the top of the sc...

Page 32: ...ish echoes located near the bottom are sometimes dif ficult to detect because you have to discriminate them from the bottom reflections AGC PULSE LENGTH and 2ND AGC in the SONAR menu if used properly de crease the tail of bottom reflections making it easier to discriminate bottom fish 2 3 1 AGC The AGC functions to automatically reduce the receiver gain only against strong echoes such as the botto...

Page 33: ...e length The setting range is 0 10 and the higher the setting the longer the pulse length 6 Press the MENU key to close the menu 2 3 3 2ND AGC While it is ideal to suppress bottom echoes with the AGC alone there are some fishing grounds where this is not possible The high power sonar has the advantage of long range detection but this can also be a disadvantage since weaker echoes may be hid den in...

Page 34: ...re becomes clearer when the output power is reduced rather than when the gain is decreased as illustrated below 1 Press the MENU key The last used menu appears 2 Use the RANGE control to choose MENU MODE at the top of the screen 3 Use the GAIN control to choose SONAR to display the SONAR menu 4 Use the RANGE control to choose TX OUTPUT 5 Use the GAIN control to set TX output The higher the setting...

Page 35: ...ng random noise and sea surface reflections in rough sea condi tions Set the interference rejector so that noise is just eliminated Do not use an un necessarily high setting since small wanted echoes may also be rejected 1 Press the MENU key 2 Use the RANGE control to choose MENU MODE at the top of the screen 3 Use the GAIN control to choose SONAR to display the SONAR menu 4 Use the RANGE control ...

Page 36: ...t the top of the screen 3 Use the GAIN control to choose SONAR to display the SONAR menu 4 Use the RANGE control to choose TX CYCLE 5 Use the GAIN control to set TX cycle The setting range is 0 10 and the higher the figure the longer the TX cycle 6 Press the MENU key to close the menu Note When the sonar is used in shallow waters with the range set between 100 m and 200 m and the TX cycle at 10 a ...

Page 37: ...ress the MENU key to open the menu 2 Use the RANGE control to choose MENU MODE at the top of the screen 3 Use the GAIN control to choose SONAR 4 Use the RANGE control to choose DELETE COLOR 5 Use the GAIN control to choose setting The setting range is 0 10 and the higher the number the stronger the echo that will be erased 6 Press the MENU key to close the menu 2 8 Echo Averaging You may adjust ec...

Page 38: ...2 FINE TUNING THE SONAR PICTURE 2 8 This page is intentionally left blank ...

Page 39: ...erase the target lock mark and bearing mark press the TARGET LOCK key again Note 1 If automatic tilt is active it is automatically canceled It is resumed once target lock is disabled Note 2 Target lock feature is canceled when the position selected is more than 1 5 times the range Note 3 The target lock feature tracks a target up to 55 tilt angle For example if a ship moves from position A to posi...

Page 40: ...d bearing marks data are erased 2 Press the R B key The bearing mark appears on the bearing selected with the trackball mark Listen to echoes through the loudspeaker You may adjust the vol ume of the loudspeaker with AUDIO VOLUME on the SONAR menu 3 To change aural coverage area do the following a Press the MENU key to open the menu b Use the RANGE control to choose MENU MODE at the top of the scr...

Page 41: ...y paints a fan shaped alarm zone The audio alarm will be released when an echo enters the alarm zone Fish alarm zone Note 1 There must be at least three degrees difference between the starting and end points to get a fan shaped alarm zone as shown in a and b below Otherwise a 360 alarm zone is painted as in c and d Fish alarm zones Note 2 You may set the echo strength level which will release the ...

Page 42: ...own ship to the latest fish mark and the speed and course of the school of fish are shown at the bottom right corner of the sonar display Fish mark and fish mark data Note 1 Movement is calculated using ship s speed and heading Accordingly pitching and rolling may affect the calculation For more accurate measurement repeat the procedure two or three times to verify reliability of the data Note 2 T...

Page 43: ...k on the fish mark you want to de lete The color of the fish mark changes from white to red if the trackball mark is correctly placed 2 Press the DELETE MARK key to delete the fish mark 3 5 Relocating School of Fish for Easy Observation 1 Operate the trackball to place the trackball mark on the position where you want to relocate the own ship mark 2 Press the OFF CENTER key 3 To return the own shi...

Page 44: ...ate the trackball to place the trackball mark where you want to place an event mark latest event mark 2 Press the EVENT key The horizontal range depth and bearing to the event mark appear at the bottom left corner of the sonar display Event mark position is calculated from ship s speed and heading data and it moves on the screen with own ship s movement With connection of a navigator the latitude ...

Page 45: ...he DELETE MARK key to delete the mark 3 7 Collectively Deleting Marks You may collectively delete track event marks or fish marks as shown below Own ship position mark may be also be deleted one by one 1 Press the MENU key to open the menu 2 Use the RANGE control to choose MENU MODE at the top of the screen 3 Use the GAIN control to choose SONAR 4 Use the RANGE control to choose ERASE MARKS 5 Use ...

Page 46: ...g for fishing ground or target fish 1 Set up controls on the control unit according to fishing ground or target fish 2 Press the MENU key to open the menu 3 Use the RANGE control to choose MENU MODE 4 Use the GAIN control to choose SONAR 5 Set all menu items except TRANSMISSION as appropriate 6 Use the RANGE control to choose ASSIGN SETTING 7 Use the GAIN control to choose the function key F1 F4 y...

Page 47: ...rming function key program You may confirm function key program as below 1 Press the MENU key to open the menu 2 Use the RANGE control to choose MENU MODE 3 Use the GAIN control to choose SONAR 4 Use the RANGE control to choose ASSIGN MENU The current programs are shown at the top of the menu Function key assignment confirmation screen 5 Press the MENU key to close the menu For detecting surface f...

Page 48: ...t lock 3 To turn off the stabilizer press the STABILIZER key The stabilizer mark stabiliz er indication and stabilizer bearing data are erased If range and bearing marks are shown they are displayed along with their data Note 1 The tilt angle can be manually set in the range of 0 55 however pitching and rolling are compensated within the 20 in the tilt angle range of 0 to 55 Note 2 If the target l...

Page 49: ... see on the screen The basic range can be thought of as providing a window into the water column and range shifting as moving the window to the de sired depth Display range and shift concept Note Select the Range and Shift to the same setting as the echo sounder connected This setting does not affect the original echo sounder setting 1 Press the MENU key to open the menu 2 Use the RANGE control to...

Page 50: ...not be adjusted from the sonar Note Set the gain to the same setting as the echosounder connected This setting does not affect the original echosounder setting 1 Press the MENU key to open the menu 2 Use the RANGE control to choose MENU MODE at the top of the screen 3 Use the GAIN control to choose SOUNDER 4 Use the RANGE control to choose GAIN 5 Use the GAIN control to adjust gain setting range 0...

Page 51: ...ce speed desired The fractions in the dialog box are one line produced per number of transmissions For example 1 2 dis plays one scan line per two transmissions 6 Press the MENU key to close the menu 4 4 Measuring Depth You can measure depth to the cross hair cursor as follows 1 Use the trackball to place the trackball mark inside the echosounder display The trackball mark changes to a cross hair ...

Page 52: ...choose OFF 6 Press the MENU key to close the menu 4 6 Suppressing Low Level Noise Low level noise often caused by sediments in water is painted on the screen as a large number of light blue dots These echoes may be suppressed as below Clutter 1 Press the MENU key to open the menu 2 Use the RANGE control to choose MENU MODE at the top of the screen 3 Use the GAIN control to choose SOUNDER 4 Use the...

Page 53: ... is 0 10 and the higher the setting the stronger the echo that will be erased 6 Press the MENU key to close the menu 4 8 Other Items on the Sounder Menu The table below describes the SOUNDER menu items not described in the previous sections of this chapter Sounder menu description Item Description Ref page COLOR Choose one of four display color patterns according to your environ ment COLOR CURVE A...

Page 54: ...4 ECHOSOUNDER MODE 4 6 This page is intentionally left blank ...

Page 55: ...ote No or missing data in text window shown with asterisks Fish Mark Data Range between fish marks Range to fish mark Depth Speed Course 238 493 132 S 10 5kn m C ESE Target Lock Data Range Depth Bearing 557 149 B SW W Range and Bearing Data Event Mark Data Horizontal Range Depth Depth at time of entry B True Bearing Requires appropriate sensor Temperature Graph The temperature graph plots the late...

Page 56: ...all controls this mark B Trackball mark data slant range Horizontal range Depth B Bearing Appears at top left corner of the sonar display Relative bearing Bearing is shown in 360 or 180 indication system relative to ship s heading In the latter case B isindicated as follows on the port side on the starboard side Indication format may be selected with OTHER MARKS on the MARKS menu Range Data R Rang...

Page 57: ...d direction in three layers 1 3 selected on the current indicator The tidal current speed is shown by the length of the line extending from the center of the mark Current direction can be shown as to or from with CURRENT DIR on the MARKS menu Current speed range 0 2 to 9 9 kn Direction range 180 or 0 359 Select the current layer marks to display for C1 C2 and C3 in MARKS menu Own Ship Position Dat...

Page 58: ...an be displayed Each time the key is pressed the fish marks change on the screen as follows 1st press of FISH key 2nd press of FISH key 3rd press of FISH key 4th press of FISH key Fish Movement Data S C Fish movement from the latest fish mark to the 2nd latest fish mark is shown by horizontal range depth speed S and course C at the lower right corner of the screen Range and Bearing Marks Bearing m...

Page 59: ...ir Cursor Depth to cross hair cursor intersection 3 Depth Scale 4 Speed Depth Course Position Temperature Temperature Graph 1 Color Bar Range and Bearing Data Requires appropriate sensor 1 Water current data may be displayed instead of temperature graph See DISP SELECT on the SYSTEM menu 2 Echosounder display only 3 Depth on echosounder display range on audio display 4 Depth scale on echosounder d...

Page 60: ...the echosounder and audio displays respectively It may be displayed at the right or left side of those displays See COMBISCALE on the SYSTEM menu Cross hair Cursor Depth or Range The cross hair cursor measures the depth and range to the user selected location in the echosounder and audio displays respectively Depth or range appears at the cross hair cursor intersection Net Sonde Mark Echosounder d...

Page 61: ... net from being damaged by a reef or a shipwreck Bottom echoes A Flat bottom Tilt angle 10 to 15 B Flat bottom Tilt angle 20 or more C Solping bottom Tilt angle 20 or more Decreased tilt angle Only half of vertical beam width captures the bottom Bottom is displayed narrower and in stronger colors when compared to A Shallow bottom is displayed in a strong color and with a short tail Bottom The deep...

Page 62: ...fish Tilt angle 30 or more Fish echo which appears before bottom can be detected Tilt angle 0 to 20 Fish echo which appears together with or after bottom can be detected School of fish Sea surface reflections Bottom School of fish Bottom echo not displayed because of decreased tilt angle Sea surface reflections are present School of fish Large midwater school of fish is present Bottom To search bo...

Page 63: ...uced by own ship or another ship can be a strong reflecting object when the sonar is used with a narrow tilt angle As the wake appears on the screen as a thick continuous line it can be easily distinguished from a school of fish On the other hand the wake contains a lot of air bubbles which attenuate ultrasonic energy making it of ten difficult to sound beyond the wake Wake Sea surface Sea surface...

Page 64: ...bject to inter ference from ultrasonic equipment such as an echo sounder sonar etc on board oth er boats as well as those on board own ship For instance interference from the sonar operated on board other boats will appear as a ring as shown in A This interference can be suppressed by properly changing the TX cycle Electrical equipment on own ship can also cause interference to the sonar as shown ...

Page 65: ...YSTEM or MARKS as appropriate 7 1 MARKS Menu MARKS MENU RANGE CTRL U D GAIN CTRL L R MENU MODE SONAR SOUNDER MARKS SYSTEM RANGE RINGS 1 4R 1 2R OFF BEARING SCALE ON OFF CURRENT VECTOR ON OFF CURRENT DIR TO FROM SHIP S TRACK 10R 5R OFF COURSE 32CMPS 360TRUE HEADING 32CMPS 360TRUE OFF CURRENT DATA 32CMPS 360TRUE 180 360 EVENT FISH 32CMPS 360TRUE 180 360 OTHER MARKS 180 360 POSITION DATA L L TD WATER...

Page 66: ...gth of the track shown on the display is five and ten times the range re spectively 5 3 COURSE Chooses how to display course in 32 compass points or 360 true 5 3 HEADING Chooses how to display heading in 32 compass points or 360 true 5 2 CURRENT DATA Choose how to display current tide data 32 compass points 360 true 180 or 360 relative 5 3 EVENT FISH Choose how to display event and fish marks 32 C...

Page 67: ...R MENU MODE SONAR SOUNDER MARKS SYSTEM DIMMER 10 DISP SELECT TEMP CURRENT HEADING ADJ 0 AUTO RETRACT OFF OFF 5 16kn OFF SPEED MESSAGE ON OFF EXT KP SYNC OFF ON AUTO TRAIN SPD LOW HIGH AUTO TILT SPD LOW HIGH UNIT METERS FEET FATHOMS PA BRA SHIP S SPD BR LOG GYRO CURRENT NAV DATA GYRO NAV LOG PULSE 200 400 PORT1 BAUDRATE 19200 9600 4800 2400 PORT1 FORMAT NMEA CIF PORT2 BAUDRATE 19200 9600 4800 2400 ...

Page 68: ...hooses source of speed and course data with which to draw ship s track The choices are log gyrocompass current indica tor nav data and gyro nav data LOG PULSE Chooses log pulse NM specification of speed log 200 or 400 pulses NM PORT1 BAUD RATE Sets baud rate of equipment connected to port 1 among 2400 4800 9600 and 19200 bps PORT1 FORMAT Sets format of equipment connected to port 1 NMEA or CIF Fur...

Page 69: ...ANGE NO YES PRESS EVENT KEY TO EXECUTE 3 Select YES and above message disappears 4 Select ACTIVATIONCODE again and press EVENT MARK key 5 Turn GAIN knob to select the place to input the password and turn RANGE knob to select the password characters 6 Press the EVENT MARK key to enter the password 7 Language selection changes 8 Select the required language SET TO DEFAULT Restores all default settin...

Page 70: ...7 MARKS AND SYSTEM MENUS 7 6 This page is intentionally left blank ...

Page 71: ...sary Check voltage of ship s mains to be sure it is within the equipment s power rating 8 2 Cleaning the Equipment Dust or dirt can be removed from the equipment with a soft dry cloth Do not use chemical cleaners to clean the equipment they can remove paint and markings or deform the equipment WARNING NOTICE Do not apply paint anti corrosive sealant or contact spray to plastic parts or equipment c...

Page 72: ...sducer face to keep marine life off the transducer Do not use solvents to clean the transducer and do not paint the transducer face HULL UNIT 1 Equivalent greases SHOWA SHELL OIL Shell Albania Grease S No 2 EXXON MOBIL Mobilux EP No 2 NIPPON OIL CORPORATION Multinox Grease No 2 Raise transducer and coat main shaft with Daphne Eponex Grease No 2 IDEMITSU KOSAN CO LTD 1 or equivalent every six month...

Page 73: ... at step 3 5 Turn the attachment clockwise with the ratchet wrench to raise the transducer Turn off the POWER switch on the hull unit before manually raising or lowering the transducer with the ratchet wrench Bodily injury may result if the ratchet wrench rotates unexpectedly because the raise lower motor may start up CAUTION CAUTION Motor gear Gear cover Attachment POWER switch Raise lower drive ...

Page 74: ... dealer for advice 8 5 Fan Replacement The processor unit has a fan and its life is about 25 000 hours in ambient tempera ture of 50 C If the fan stops because the area around the power supply is too hot the power volt age may fluctuate Contact a FURUNO agent or dealer to request replacement of the fan Unit Fuse Type Code No Processor Unit FGBO A 2A AC125V 000 549 062 Transceiver Unit 100 VAC spec...

Page 75: ...on period is longer so ship s pitching and rolling are apt to affect detection of echo Weak echo Output power set to minimum Set TX OUTPUT SONAR menu to maximum Excessive TVG Readjust TVG NEAR and FAR on the SO NAR menu Somewhat strange color Brilliance too low Adjust display brilliance Picture contains noise Equipment not grounded properly Check equipment ground Power cable is too close to the si...

Page 76: ...6 KN MAX ALLOWABLE SPEED DURING RAISING LOWERING TRANSDUCER IS 16 KN PRESS R B KEY TO CLEAR ALARM Ship s speed is higher than 16 knots when you attempted to lower or retract the transducer The message flashes and the audio alarm sounds Press the R B key to silence the audio alarm Reduced speed to less than 16 knots and the previously used display appears If you attempt to lower the transducer when...

Page 77: ...the GAIN control to choose a test 6 Press the EVENT key to execute the test 7 To quit a test press the MENU key SYSTEM MENU RANGE CTRL U D GAIN CTRL L R MENU MODE SONAR SOUNDER MARKS SYSTEM DIMMER 10 DISP SELECT TEMP CURRENT HEADING ADJ 0 AUTO RETRACT OFF OFF 5 16kn OFF SPEED MESSAGE ON OFF EXT KP SYNC OFF ON AUTO TRAIN SPD LOW HIGH AUTO TILT SPD LOW HIGH UNIT METERS FEET FATHOMS PA BRA SHIP S SPD...

Page 78: ...nuous test PRESS MENU KEY TO EXIT Processor unit s program version no and results of ROM RAM VRAM and EEPROM tests 0 Version No of Board Transceiver unit s program version no CSH 5LMARK 2 only and results of ROM RAM and DROM tests Continuous test only Control unit s program version no and results of ROM and RAM tests 0 Version No of Board xx xx Program Version No 854 CSH 8LMARK 2 85 kHz 855 CSH 8L...

Page 79: ...e lever is normal 1 appears when increasing the tilt angle 2 when decreasing the tilt angle and 0 when the lever is released 3 Operate the trackball Its X Y coordinate changes with trackball rotation The co ordinates are 0 until the trackball is operated 4 Operate the GAIN and RANGE controls The on screen indication is 1 with counterclockwise rotation and 1 with clockwise rotation Panel test 0 0 0...

Page 80: ... no horizontal or vertical lines shown see the monitor s operator s manual for how to adjust the monitor Pattern test SIO test This test checks the input output ports CN A1 NMEA1 CIF1 NMEA2 CIF2 of the processor unit The result for the CN A1 port is shown as OK or NG No Good The test for the NMEA1 CIF1 and NMEA2 CIF2 ports is for factory use The result is always NG SIO test WHITE BLUE GREEN RED PA...

Page 81: ...ss shape Note For the CSH 8LMARK 2 on the SONAR menu set NOISE LIMITER to 0 and HOR BEAMWIDTH to WIDE before conducting this test The echo 3 test checks the analog multiplexer on the PSW Board in the transceiver unit for proper operation This test is not available with the CSH 8LMARK 2 When the MENU key is pressed the equipment goes into start up condition Adjust the sensitivity of image with the ...

Page 82: ...8 MAINTENANCE TROUBLESHOOTING 8 12 This page is intentionally left blank ...

Page 83: ... DELETE COLOR 0 10 0 ECHO AVERAGE 0 3 1 INT REJECT 0 3 1 HOR BEAMWIDTH WIDE NARROW VER BEAMWIDTH WIDE NARROW COLOR 1 2 3 4 ERASE MARKS TRACK SHIP EVENT FISH ALARM LEVEL 0 14 9 AUTO TRAIN ON OFF TRAIN SECTOR 10 20 40 60 AUTO TILT ON OFF TILT ANGLE 2 10 4 14 6 20 10 26 TRANSMISSION ON OFF AUDIO VOLUME 0 10 10 ASSIGN SETTING F1 KEY F2 KEY F3 KEY F4 KEY ASSIGN MENU EXECUTE MENU key SOUNDER selected fr...

Page 84: ...ENU key SYSTEM selected from MENU MODE DIMMER 0 10 10 DISP SELECT TEMP CURRENT HEADING ADJ 0 359 0 AUTO RETRACT OFF 5 16 kn SPEED MESSAGE ON OFF EXT KP SYNC OFF ON AUTO TRAIN SPD LOW HIGH AUTO TILT SPD LOW HIGH UNIT METERS FEET FATHOMS PA BRA SHIP S SPD BR LOG GYRO CURRENT NAV DATA GYRO NAV LOG PULSE 200 400 PORT1 BAUDRATE 19200 9600 4800 2400 PORT1 FORMAT NMEA CIF PORT2 BAUDRATE 19200 9600 4800 2...

Page 85: ...60 1600 2080 2560 1600 2080 Note 1 Ranges shown for off center on are maximum value 2 Under certain circumstances a target fish school may not be detected due to its nature or because of sea conditions ever if it is located within the display range 1 5 Pulse length 0 5 to 20 ms interlocked with range can be changed in 11 steps 1 6 Pulse repetition rate 0 25 to 4 4 s interlocked with range can be c...

Page 86: ...o 12V External audio 1 port 2 W 50 ohm 3 5 mm pin plug Video signal 2 ports RGB analog separated synchronization XGA VESA 1024 x 768 65 0 MHz Dsub 15P female 4 2 I O sentences Input CUR DBS DBT DPT GGA GLC GLL GTD HDG HDM HDT MTW RMA RMC VDR VHW VTG disabled for NMEA0183 V1 5 Output TLL 4 3 CIF data input Location Ship s speed Bearing Current data 1 layer Water depth Water temperature Multiple lay...

Page 87: ...DIMMER 1 5 Display mode 1 6 Draft sonar 4 5 E Echo averaging 2 7 Echo tests 8 11 Error messages 8 6 EVENT key 3 6 Event marks deleting 3 7 deleting all 3 7 entering 3 7 F Fan replacement 8 4 Ffunction keys operating 3 8 Fish alarm 3 3 FISH ALARM key 3 3 FISH key 3 4 FISH marks deleting all 3 7 deleting individual 3 5 entering 3 4 Function keys programming 3 9 Fuse replacement 8 4 G Gain echosounde...

Page 88: ...controller 1 2 S Single test 8 8 SIO test 8 10 SONAR menu 1 15 SOUNDER menu 4 5 Speed message 7 4 STABILIZER key 3 10 System configuration viii SYSTEM menu 7 3 T Target lock 3 1 TARGET LOCK key 3 1 Tilt angle automatic 1 10 surface fish 1 12 TILT lever 1 10 Tilt speed 7 4 Track deleting 3 7 length 7 2 Train sector 3 2 Transducer lowering 1 3 retracting 1 9 TRANSDUCER switch down 1 3 TRANSDUCER swi...

Page 89: ...d required test results of 9 2 10 3 10 5 through 10 9 are identical to those specified in third edition title and or number and date of issue of the standard s or other normative document s For assessment see EMC Test Report FLI 12 02 035 October 4 2002 prepared by Furuno Labotech International Co Ltd Declaration K 10 18 306 November 16 2015 prepared by Furuno Electric Co Ltd This declaration is i...

Page 90: ...d test results of 9 2 10 3 10 5 through 10 9 are identical to those specified in third edition title and or number and date of issue of the standard s or other normative document s For assessment see EMC Test Report FLI 12 02 034 and FLI 12 02 035 October 4 2002 prepared by Furuno Labotech International Co Ltd Declaration K 10 18 306 November 16 2015 prepared by Furuno Electric Co Ltd This declara...

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